<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>MyIndex</title>
</head>
<body>
<h1>My index</h1>
<form action="/login" method="get">
user:<input type="text" name="username"><br/>
password:<input type="text" name="password"><br/>
    <button type="submit" name="button">button</button>
</form>
</body>
</html>